No abstract available
MeSH terms
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Adolescent
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Age Distribution
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Algorithms
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Child
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Child, Preschool
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Comorbidity
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Diagnosis, Differential
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England / epidemiology
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Female
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Humans
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Infant
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Influenza A Virus, H1N1 Subtype*
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Influenza, Human / complications
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Influenza, Human / diagnosis*
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Influenza, Human / epidemiology*
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Male
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Patient Admission / statistics & numerical data*
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Pediatrics / statistics & numerical data
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Sex Distribution